Weather Records on 19 September 2011

848 weather records were set or tied worldwide on 19 September 2011. Highest significance: Boyup Brook, AU.

Key Facts for 19 September 2011

On 19 September 2011, 848 weather records were set or tied at long-record stations worldwide.
359 were record highs and 207 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 19 monthly and 829 daily.
Boyup Brook set a daily record precipitation of 40.0 mm (1.6 in) on 19 September 2011.
Across 166 earlier years (1805 to 2026) the same calendar date averaged 412 records.

Record Map

848 stations

848 station records on 19 September 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 September 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boyup Brook	Australia	Record daily precipitation	40.0 mm (1.6 in)	61 of 100 (Major)
Blakely Mtn Dam	United States	Record daily precipitation	104.6 mm (4.1 in)	60 of 100 (Major)
Hernando	United States	Record daily precipitation	80.0 mm (3.1 in)	59 of 100 (Notable)
Milan Exp STN	United States	Record daily precipitation	163.8 mm (6.4 in)	58 of 100 (Notable)
Washita	United States	Record daily precipitation	91.4 mm (3.6 in)	53 of 100 (Notable)
Sandpoint Exp STN	United States	Record daily precipitation	40.9 mm (1.6 in)	53 of 100 (Notable)
Hardy	United States	Record daily precipitation	37.6 mm (1.5 in)	48 of 100 (Notable)
Waynesboro 2 W	United States	Record daily precipitation	42.4 mm (1.7 in)	46 of 100 (Notable)
Bremerton	United States	Record daily precipitation	28.2 mm (1.1 in)	44 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high maximum temperature	26.9 C (80.4 F)	43 of 100 (Notable)
Ramos Arizpe (Smn)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	43 of 100 (Notable)
Gravelly	United States	Record daily precipitation	77.5 mm (3.1 in)	43 of 100 (Notable)
Jefferson	United States	Record daily precipitation	56.1 mm (2.2 in)	43 of 100 (Notable)
San Jeronimo	Mexico	Record daily precipitation	190.0 mm (7.5 in)	42 of 100 (Notable)
Drobeta Turnu Severin	Romania	Record high minimum temperature	20.1 C (68.2 F)	42 of 100 (Notable)
Mt Pleasant	United States	Record daily precipitation	45.0 mm (1.8 in)	42 of 100 (Notable)
Rocky Mt	United States	Record low maximum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
El Barril	Mexico	Record low minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Pavillion	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Aomori	Japan	Record daily precipitation	71.4 mm (2.8 in)	40 of 100 (Notable)
Kuantan	Malaysia	Record daily precipitation	93.7 mm (3.7 in)	40 of 100 (Notable)
Atzalan	Mexico	Record low minimum temperature	6.7 C (44.1 F)	39 of 100 (Notable)
Verhneimbatsk	Russia	Record high minimum temperature	12.3 C (54.1 F)	39 of 100 (Notable)
Yeneka	Mexico	Record high minimum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Pichucalco (Smn)	Mexico	Record low maximum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Tepetitan	Mexico	Record low minimum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Centerville	United States	Record daily precipitation	82.5 mm (3.2 in)	38 of 100 (Notable)
Mercedes 6 SSE	United States	Record high minimum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Chiconautla	Mexico	Record high maximum temperature	33.9 C (93.0 F)	36 of 100 (Notable)
Arad	Romania	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Cluj Napoca	Romania	Record high minimum temperature	15.1 C (59.2 F)	36 of 100 (Notable)
Verhneimbatsk	Russia	Record high maximum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
La Grange 1N	United States	Record low maximum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Kraft Creek	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
The Duke	Australia	Record daily precipitation	30.8 mm (1.2 in)	35 of 100 (Notable)
Bengbu	China	Record low maximum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Jasper	United States	Record daily precipitation	77.5 mm (3.1 in)	35 of 100 (Notable)
Moore Haven Lock 1	United States	Record high maximum temperature	35.6 C (96.1 F)	35 of 100 (Notable)
Louisburg	United States	Record low maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Innsbruck	Austria	Record low maximum temperature	8.2 C (46.8 F)	34 of 100 (Routine)
Belgrade (Observatory)	Serbia	Record high minimum temperature	21.3 C (70.3 F)	34 of 100 (Routine)
Cape le Grand Nat Park	Australia	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Zugspitze	Germany	Record daily precipitation	33.6 mm (1.3 in)	33 of 100 (Routine)
Mittenwald-Buckelwiesen	Germany	Record low maximum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
Zaragoza (Smn)	Mexico	Record high maximum temperature	41.7 C (107.1 F)	33 of 100 (Routine)
Alton - Melvin Price L&D	United States	Record daily precipitation	38.6 mm (1.5 in)	33 of 100 (Routine)
Wuhan	China	Record low maximum temperature	16.4 C (61.5 F)	32 of 100 (Routine)
Crescent City	United States	Record daily precipitation	63.8 mm (2.5 in)	32 of 100 (Routine)
Paris 3 ESE	United States	Record daily precipitation	66.8 mm (2.6 in)	32 of 100 (Routine)
Waldron	United States	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Sredny Vasjugan	Russia	Record high maximum temperature	25.4 C (77.7 F)	31 of 100 (Routine)
Alum Fk	United States	Record daily precipitation	64.3 mm (2.5 in)	31 of 100 (Routine)
Des Arc	United States	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Sonnblick	Austria	Record daily precipitation	34.0 mm (1.3 in)	30 of 100 (Routine)
Dongtai	China	Record low maximum temperature	17.9 C (64.2 F)	30 of 100 (Routine)
Hefei	China	Record low maximum temperature	18.2 C (64.8 F)	30 of 100 (Routine)
Reit Im Winkl	Germany	Record low maximum temperature	6.0 C (42.8 F)	30 of 100 (Routine)
Hecelchakan (Smn)	Mexico	Record low minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Ostrov Golomjannyj	Russia	Record high maximum temperature	2.8 C (37.0 F)	30 of 100 (Routine)
Cabot	United States	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)

Counts by Type and Timescale

848 records

Records set or tied on 19 September 2011 by type: Highest daily maximum 220, Lowest daily maximum 134, Highest daily minimum 139, Lowest daily minimum 73, Heaviest daily rainfall 282.

Records on 19 September 2011 by type
Record type	Records
Highest daily maximum	220
Lowest daily maximum	134
Highest daily minimum	139
Lowest daily minimum	73
Heaviest daily rainfall	282
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 19 September 2011 by timescale: all-time 0, monthly 19, daily 829.

How Much Records Were Beaten By

665 broken records

Margins by which the 665 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.3. Ties are not counted.

Top 20 by Significance

19 September 2011

Top 20 records on 19 September 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 September 2011	Boyup Brook, AU	daily rain	40.0 mm (1.6 in)	14.6 mm (0.6 in)	84 years	61 of 100 (Major)
19 September 2011	Blakely Mtn Dam, US	daily rain	104.6 mm (4.1 in)	84.3 mm (3.3 in)	52 years	60 of 100 (Major)
19 September 2011	Hernando, US	daily rain	80.0 mm (3.1 in)	48.2 mm (1.9 in)	68 years	59 of 100 (Notable)
19 September 2011	Milan Exp STN, US	daily rain	163.8 mm (6.4 in)	74.9 mm (2.9 in)	40 years	58 of 100 (Notable)
19 September 2011	Washita, US	daily rain	91.4 mm (3.6 in)	71.1 mm (2.8 in)	28 years	53 of 100 (Notable)
19 September 2011	Sandpoint Exp STN, US	daily rain	40.9 mm (1.6 in)	21.6 mm (0.9 in)	37 years	53 of 100 (Notable)
19 September 2011	Hardy, US	daily rain	37.6 mm (1.5 in)	18.8 mm (0.7 in)	105 years	48 of 100 (Notable)
19 September 2011	Waynesboro 2 W, US	daily rain	42.4 mm (1.7 in)	14.2 mm (0.6 in)	96 years	46 of 100 (Notable)
19 September 2011	Bremerton, US	daily rain	28.2 mm (1.1 in)	5.8 mm (0.23 in)	88 years	44 of 100 (Notable)
19 September 2011	Cape Otway Lighthouse, AU	daily high max	26.9 C (80.4 F)	1.3 C (2.3 F)	124 years	43 of 100 (Notable)
19 September 2011	Ramos Arizpe (Smn), MX	daily high max	35.6 C (96.1 F)	3.9 C (7.0 F)	84 years	43 of 100 (Notable)
19 September 2011	Gravelly, US	daily rain	77.5 mm (3.1 in)	47.3 mm (1.9 in)	40 years	43 of 100 (Notable)
19 September 2011	Jefferson, US	daily rain	56.1 mm (2.2 in)	15.7 mm (0.6 in)	86 years	43 of 100 (Notable)
19 September 2011	San Jeronimo, MX	daily rain	190.0 mm (7.5 in)	70.1 mm (2.8 in)	32 years	42 of 100 (Notable)
19 September 2011	Drobeta Turnu Severin, RO	daily high min	20.1 C (68.2 F)	1.1 C (2.0 F)	97 years	42 of 100 (Notable)
19 September 2011	Mt Pleasant, US	daily rain	45.0 mm (1.8 in)	4.4 mm (0.17 in)	105 years	42 of 100 (Notable)
19 September 2011	Rocky Mt, US	daily low max	14.4 C (57.9 F)	1.2 C (2.2 F)	108 years	42 of 100 (Notable)
19 September 2011	El Barril, MX	daily low min	13.9 C (57.0 F)	5.5 C (9.9 F)	49 years	41 of 100 (Notable)
19 September 2011	Pavillion, US	daily high min	16.1 C (61.0 F)	2.2 C (4.0 F)	90 years	41 of 100 (Notable)
19 September 2011	Aomori, JP	daily rain	71.4 mm (2.8 in)	29.1 mm (1.1 in)	50 years	40 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1805 to 2011

Records set or tied on this calendar date in each year from 1805 to 2011. 2011 had 848 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-19 in each year
Year	Records
1805	1
1818	1
1820	1
1825	1
1830	1
1833	1
1834	1
1837	1
1847	1
1848	1
1849	3
1851	2
1854	1
1855	1
1856	1
1859	1
1862	1
1865	2
1866	1
1869	1
1872	1
1874	1
1875	3
1877	2
1881	2
1882	4
1884	2
1885	1
1886	3
1887	2
1888	1
1889	7
1890	1
1893	3
1894	2
1895	5
1896	2
1897	4
1898	2
1899	2
1900	2
1901	17
1902	6
1903	16
1904	9
1905	18
1906	33
1907	9
1908	5
1909	16
1910	16
1911	4
1912	39
1913	200
1914	48
1915	174
1916	38
1917	134
1918	62
1919	52
1920	53
1921	109
1922	81
1923	83
1924	90
1925	356
1926	171
1927	152
1928	211
1929	435
1930	154
1931	400
1932	292
1933	343
1934	171
1935	240
1936	152
1937	331
1938	519
1939	292
1940	459
1941	430
1942	830
1943	540
1944	406
1945	417
1946	802
1947	694
1948	457
1949	303
1950	474
1951	240
1952	545
1953	467
1954	557
1955	578
1956	661
1957	638
1958	354
1959	774
1960	344
1961	445
1962	387
1963	403
1964	350
1965	1,080
1966	529
1967	417
1968	433
1969	493
1970	437
1971	1,127
1972	629
1973	438
1974	637
1975	570
1976	390
1977	719
1978	1,139
1979	727
1980	591
1981	1,462
1982	594
1983	1,630
1984	970
1985	926
1986	737
1987	1,113
1988	973
1989	911
1990	874
1991	2,027
1992	752
1993	885
1994	736
1995	1,096
1996	1,069
1997	1,107
1998	1,039
1999	611
2000	947
2001	1,188
2002	866
2003	1,094
2004	964
2005	814
2006	851
2007	633
2008	647
2009	700
2010	1,414
2011	848
2012	775
2013	578
2014	715
2015	520
2016	999
2017	703
2018	871
2019	584
2020	668
2021	511
2022	666
2023	622
2024	707
2025	554
2026	711

Download the Data

Data for records on 2011-09-19: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	646
20 to 40	12
40 to 60	2
60 to 80	4
80 to 100	1